Retrograde instrument
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United States of America Patent
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Nov 22, 2011
Issued Date -
N/A
app pub date -
Jun 13, 2007
filing date -
Jun 13, 2006
priority date (Note) -
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Abstract
A minimally invasive surgical instrument includes a U-turn mechanism that transmits actuating forces around a U-turn. The U-turn mechanism is coupled between segments of the instrument and has a bend radius that is smaller than flexible arms having a similar cross section diameter. The actuating forces transmitted by the U-turn mechanism are used to move distal components of the instrument, such as an end effector and a wrist mechanism.
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